2. Nomada Fabriciana, ♂ ♀.

3. Nomada flavoguttata, ♂ ♀.

[Plate X.]

1. Nomada Jacobææ, ♂ ♀.

2. Nomada Solidaginis, ♂ ♀ (that marked ♂* should be ♀).

3. Nomada lateralis, ♂ ♀.

[Plate XI.]

1. Melecta punctata, ♂ ♀.

2. Epeolus variegatus, ♂ ♀.

3. Stelis phæoptera, ♂ ♀.